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Xenon crystallises in fcc structure with...

Xenon crystallises in fcc structure with edge length 630 pm. Calculate nearest neighbour distance and radius of the xenon atom.

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Edge length, a = 650 pm.
For face centred cubic structure, distance to nearest neighbour, d = `a/sqrt2=(630"pm")/sqrt2=445.48"pm"`
Radius of xenon atom, `r=d/2=(445.48"pm")/2=222.74"pm"`
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